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You searched for: mediatype:texts AND collection:theides AND subject:"Oscillator"
[texts]Realization of Current-mode Quadrature Oscillator Based on Third Order Technique
This article presents a 3rd current-mode quadrature oscillator using current controlled current conveyor transconductance amplifier (CCCCTA) and operational transconductance amplifier (OTA) as active element as active elements. The proposed circuit is realized from a noninverting lossless integrator and an inverting second orderlow-pass filter. The oscillation condition and oscillation frequency can be electronically/orthogonally controlled via input bias currents...
Keywords: oscillator; current-mode; CCCCTA; OTA
Downloads: 137
[texts]An Area Efficient, High Performance, Low Dead Zone, Phase Frequency Detector in 180 nm CMOS Technology for Phase Locked Loop System - R. H. Talwekar, Dr. S. S. Limaye
The phase frequency detector has been designed for high frequency phase locked loop in 180 nm CMOS Technology with 1.8V supply voltage using CADENCE Spectre tool. A Virtuoso Analog Design Environment and Virtuoso LayoutXL tools of Cadence have used to design and simulate schematic and layout of phase frequency detector respectively. Architecture of phase frequency detector (PFD) has simulated to get low dead zone and low power consumption...
Keywords: Phase locked loop (PLL); Phase frequency detector (PFD); Charge pump (CP); Voltage controlled oscillator (VCO); Dead Zone; Low pass filter (LPF); and D flip flop (DFF)
Downloads: 164
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